英语词汇“springing line”是什么意思，“springing line”的读音、用法及例句翻译-乐坝网

词汇	springing line
释义	springing linen.（名词） A horizontal line between the springings of an arch.起拱线：拱形物起拱点之间的水平线
随便看	thirtieth thirtieths thirty thirty-eight thirty-second note thirty-thirty thirty-three thirty-twomo Thirty Years' War thirty–eight thirty–second note thirty–thirty thirty–three thirty–twomo this thisaway Thisbe thises thisses thistle thistle butterfly thistledown thistles thither thitherto

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